Flexible Filly Air Shock Horse Boots


Lightweight boots, heavyweight protection.


Flexible Filly Lightweight Breathable Air Shock Horse Boots

Wrap your horse in comfort with this lightweight breathable non-slip protective horse boot. These shock breathable horse boots are great for horses and even better for owners. The low-profile fit is only outdone by the ease of care for horse owners.

The Interior is Lined with ThinLine

Our trademark open cell technology delivers impact protection in a wafer-thin breathable foam. ThinLine doesn’t compress. Pressure points; created from tendons, bones, splints, or wind puffs, are gently shaped into the ThinLine memory, which rebounds once it is off the horse. An anti-microbial agent is infused into ThinLine allowing use on multiple horses. Finally, ThinLine foam does not absorb water or collect dirt, which means boots stay in place, are easy to maintain, and provide hassle-free protection.

The exterior of this lightweight horse boot is designed with Air Cushion Technology and Flexible Concussion Protection with an Offset Strike Guard.

The Offset strike guard design is made of a stiff TPU material to spread out impact forces. The raised shape is designed to flex slightly during impact to help dampen and reduce impact force. Underneath the guard is an airbag insert running the length of the tendon. The airbag lies flat in the strike guard space between the inner foam lining and strike guard shell. Air cushions offer enhanced performance, horse boot fit, and comfort. They last the lifetime of the boot and will always remain flexible allowing for better tendon, ligament, and joint movement than other boots. The remainder of the shell is a flexible TPU.

air shock OFFSET1
Blue = Location of the airbag

Additional features:

Our lightweight and breathable horse boots are designed to leave no desire unturned. The ThinLine warms to body temperature creating a custom fit. None of the materials absorb water, meaning boots won’t shift or rub. And it makes them easy to clean and quick to dry. Dirt does not stick to the ThinLine, keeping your horse free from irritations. Additionally, ThinLine ventilates to keep tendons cool. ThinLine is the most durable material in the equestrian world, allowing riders to get more performance from their horse boots.

Available in:

Black with silver. Because of its flexibility, one size fits most horses.


Scroll down to see size charts. Sold in pairs, one for the left, one for the right.

TLFlexFillyBoots1 FB v3 5


Additional information

Weight 1 lbs
Dimensions 6 × 6 × 10 in
Boot Style

3/4 Hind, Ankle, Open Front



Front Boots: 9.5″, 24.13cm tall, circumference 10.5″, 26.67cm.

Fetlock Boots: 6.24″ tall, 15.88 cm.  circumference 11.5″. 29.21cm.

Ankle: 6.25″, 15.88 cm tall.  Circumference 11.5, 29.21

The ThinLine material will mold to the horse’s leg, creating a custom fit.

Care Instructions

What we love most about this boot!  Simply hose off and they are like new again. Feel free to use dish soap.

How to Buy Outside the USA

ThinLine is readily available in most countries. This site ships to the USA, Mexico, and South America.

We hope you will use the following links to our authorized distributors in the following regions.  Here you will find all the great products and support you need:

Europe and the UK: https://www.thinlineglobal.eu/

Australia:  https://thinlineglobalau.com/

Canada:  https://thinlinecanada.ca/


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    The Flexible Filly Splint Boot states “Each boot weighs only 7 ounces”. How much does each Air Shock boot weigh? Thank you
  1. Q The Flexible Filly Splint Boot states “Each boot weighs only 7 ounces”. How much does each Air Sh...... Read more answer now
    A The weight of the pair of front boots is 20 ounces, making each boot 10 ounces each. Hope this is what you need.
  2. Can these be used on a horse wearing front shoes?
  3. Q Can these be used on a horse wearing front shoes? answer now


  4. Can these boots be used when hacking a horse?
  5. Q Can these boots be used when hacking a horse? answer now
    A Thank you for your question! These offer fantastic support and protection in a flexible, lightweight boot that is great for all disciplines and activities, including hacking!

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